Sign and advertising device



Jan 9, 1923. L MIZQIIEJ I T. SAPP.

SIGN AND ADVERTISING DEVICE FILED MAY 29,1922.

and a series of parallel corrugations on the rear surface at right angles to those on the front surface, the front surface of said plate having apredetermined sign design outlined thereon, and the rear surface being mirrored, the angular arrangement of the ribs serving to reflect the light from different sources for illuminating the sign.

4. A sign, including a glass panel having a series of parallel corrugations in the front surface, and a series of parallel corrugations in the rear surface disposed transversely to the first mentioned corrugations, a translucent sign design formed on the front surface of said plate, and the back surface being Inirrored so that light from various sources is reflected for illuminating the sign.

5. A sign including a glass panel formed with ribs on the front and rear surfaces to refract light, the rear surface being provided with a reflecting surface, and means for rendering a portion of the ribbed front surface opaque to display a design.

6. A sign including a glass panel formed with ribs on the front and rear surfaces for refracting light, a reflecting surface at the rear surface of the panel, and a transhment screen at the front surface of the plate displaying a sign design, whereby light from a casual source is reflected for illui'ninaiing the sign.

7. A sign, including a glass panel formed with ribs on the front and rear surfaces to refract light. the rear surface being provided with a reflecting surface. means at the front surface of the plate for displaying a (lesion,

and means for coloring the reflected light from said reflecting surface.

In testimony whereof I afiix niv signature.

THOMAS bAPl. 

